4524 BTUs/7.41 ampsDual stage controller (Can control a heater as well as the Chiller. Heater not included). Outboard controller with a probe that can be placed in the chiller, sump or even the tank.10 degree cooling up to 360 gallons. 20 degree cooling up to 181 gallons. 30 degree cooling up to 130 gallons. 40 degree cooling up to 100 gallons. Note: These temperature pull-down ratings are in ideal situations. We highly recommend purchasing a chiller one size larger than the specifications would lead you to believe is necessary. 1" FlPT Connections Does not have a pump. The required flow through the chiller is between 720 gph and 1320 gph.Temperature Range 60°-80°F for the controller17.5" X 11" X 15.5"Can accommodate one or two 8W Current USA Prime Chiller UV Sterilizer Add Ons or 15W Current USA Prime Chiller UV Sterilizer Add Ons or one or two Heaters. There are two slots in the chiller, so only a total of two UV or heater add-ons are possible. To use with a heater you will need a Heater Compression Adapter for Prime Chillers and a Hydor Theo 200 watt Heater for each port you're placing a heater in.Chillers should not be placed in an enclosed area without adequate air flowProduct Manual (pdf format in new window)